wimax

Whitepapers

Security Considerations for Handover Schemes in Mobile WiMAX Networks

March 11, 2008 12:00am PDT

IEEE 802.16e uses EAP-based authentication and key management for link layer security. Due to the lack of ability to support mobility, however, EAP-based key management becomes a principal...

Provided by: Institute of Electrical & Electronic Engineers

Whitepapers

An Adaptive Energy Saving Mechanism in the Wireless Packet Access Network

March 11, 2008 12:00am PDT

The next generation wireless communication systems will be based on the "All-IP" structure and the Wireless Packet Access Network (WPAN) will have a dominant future. Mobility is one of main...

Provided by: Institute of Electrical & Electronic Engineers

Whitepapers

Link Performance of WiMAX PUSC

March 11, 2008 12:00am PDT

Link performance of WiMAX (802.16e) downlink and uplink using Partial Usage Sub-Channelization (PUSC) is evaluated through link-level simulations. WiMAX using single transmit and two receive...

Provided by: Institute of Electrical & Electronic Engineers

Whitepapers

Fair OFDMA Scheduling Algorithm Using Iterative Local Search With K-Opt-Switches

March 11, 2008 12:00am PDT

Orthogonal Frequency Division Multiple Access (OFDMA) enables dynamically scheduling users on frequencies with good channel quality, exploiting multiuser diversity. Modulation levels on different...

Provided by: Institute of Electrical & Electronic Engineers

Whitepapers

Cross-Layer Multiservice Scheduling for Mobile WiMAx Systems

March 11, 2008 12:00am PDT

The authors consider a cross-layer scheme for the downlink multiuser Orthogonal Frequency Division Multiple Access (OFDMA) for mobile WiMAX (Worldwide Interoperability for Microwave Access) based...

Provided by: Institute of Electrical & Electronic Engineers

Whitepapers

Combining TLS and TPMs to Achieve Device and User Authentication for Wi-Fi and WiMAX Citywide Networks

March 11, 2008 12:00am PDT

Deploying large-scale wireless citywide networks with strong authentication mechanisms has received considerable interest in industry and academic circles. In this paper, the authors present...

Provided by: Institute of Electrical & Electronic Engineers

Whitepapers

A Framework of Cross-Layer Superposition Coded Multicast for Robust IPTV Services Over WiMAX

March 11, 2008 12:00am PDT

A Cross-Layer Design (CLD) framework for robust and efficient video multicasting over IEEE 802.16 (or WiMAX) is introduced. In the framework, multiple description coding on scalable video...

Provided by: Institute of Electrical & Electronic Engineers

Whitepapers

Markov Chain Model for Polling Delay and Throughput Analyses of Uplink Subframe in WiMAX Networks

March 11, 2008 12:00am PDT

IEEE 802.16 is proposed to provide middle-range access and high data rate for real-time transmission through wireless channel. The increasing of access range, data rate, and total number of nodes...

Provided by: Institute of Electrical and Electronics Engineers

Whitepapers

A Latency and Modulation Aware Bandwidth Allocation Algorithm for WiMAX Base Stations

March 11, 2008 12:00am PDT

The mobile WiMAX systems based on IEEE 802.16e-2005 provide high data rate for the mobile wireless network. However, the link quality is frequently unstable owing to the long-distance and air...

Provided by: Institute of Electrical and Electronics Engineers

Whitepapers

On the Impact of Mobility and Joint RRM Policies on a Cooperative WiMAX/HSDPA Network

March 11, 2008 12:00am PDT

In this paper, the authors develop a generic Markovian model to study the dynamics of data service in a multi-cell context, and apply it to cells served by HSDPA and WiMAX access networks. They...

Provided by: Institute of Electrical & Electronic Engineers

Whitepapers

Hierarchical Downlink Resource Management Framework for OFDMA based WiMAX Systems

March 11, 2008 12:00am PDT

IEEE 802.16, known as WiMAX, has received much attention recently for its capability to support multiple types of applications with diverse QoS requirements. Beyond what the standard has defined,...

Provided by: Technical University of Crete

Whitepapers

Performance Improvement for Multichannel HARQ Protocol in Next Generation WiMAX System

March 11, 2008 12:00am PDT

Hybrid Automatic Repeat-reQuest (HARQ) is critical to an IEEE 802.16e OFDMA network, as it can significantly improve the reliability of wireless link. However, as revealed by the authors'...

Provided by: Institute of Electrical & Electronic Engineers

Whitepapers

Experimental BER Performance Evolution of Equalizations and Matched Filter Bounds for Single-Carrier WiMax Radio in 3.5 GHz

March 11, 2008 12:00am PDT

This paper presents an experimental evaluation of Bit Error Rate (BER) performances for adaptive training algorithms and obtaining Matched Filter Bound in real-time WiMax (3.5GHz) radio channels....

Provided by: Institute of Electrical & Electronic Engineers

Whitepapers

Comparison of Different Scheduling Algorithms for WiMAX Base Station

March 11, 2008 12:00am PDT

WiMAX is an IEEE standard (IEEE 802.16d/e) for wireless broadband access network. Some of the main advantages of WiMAX over other access network technologies are longer range and more...

Provided by: Institute of Electrical and Electronics Engineers

Whitepapers

Throughput Analysis of WiMAX Based Wireless Networks

March 11, 2008 12:00am PDT

In this paper, the authors derive an analytical model that determines the conditions that lead to throughput-starvation in WiMAX-based networks. They limit their discussion to downlink traffic in...

Provided by: Institute of Electrical and Electronics Engineers

White Papers

An Analysis of MIMO Techniques for Mobile WiMAX Systems

March 11, 2008 12:00am PDT

Multiple Input Multiple Output (MIMO) techniques are an essential part of the IEEE 802.16e - 2005 specifications, which form the basis of mobile WiMAX systems. This paper discusses the basic...

Provided by: Universitat Pompeu Fabra

White Papers

Intelligent GIS-Based Road Accident Analysis and Real-Time Monitoring Automated System Using WiMAX/GPRS

March 5, 2008 12:00am PST

It has been a big concern for many people and government to reduce the amount of road accidents especially in Malaysia since it could be a big threat to this country. Malaysian government has...

Provided by: University Putra Malaysia

White Papers

Improving Multi-Homed SCTP Mobile Communication Performance

March 5, 2008 12:00am PST

The growing availability of different wireless access technologies like WiFi 802.11, cellular broadband EV-DO, and the soon to be deployed WiMax 802.16, provide the opportunity for users to carry...

Provided by: MITRE

Blog Post

Peter Cochrane's Blog: Protestors clueless on wireless health risks

March 4, 2008 9:32am PST

Please build more base station masts near our schools…

White Papers

Mobility Management of IEEE 802.16e Networks

March 4, 2008 12:00am PST

With the fast proliferation of mobile Internet, the wireless community has been increasingly looking for a framework that can provide seamless mobility. In this paper, it proposes a fast...

Provided by: Kwangwoon University